OMAC is happy to serve you the highest quality lockable, removable top roof rack crossbars made from resistant anodised aluminum material. *This item are only available while the sunroof and moonroof are closed. *This product only designed for flush roof rails, not for high-raised roof rails. *If your vehicle has high roof rails please check our amazon store, we offer BOLD BAR design for your vehicles. - In this set there are two brand new lockable cross bars with locking materials, all needed fixings and a professional instruction guide. - Our cross bars are suitable for T Bolts and all roof products like bike carriers, kayak carriers, roof boxes etc. -Special aerodynamic desing, no disturbing voices while driving. -No cutting, no drilling needed. Installation is simple, safe and quick. DESING Special aerodynamic design, no disturbing voices while driving. CAPACITY MAX: 220LBS / 100 Kg SECURITY These bars have special anti theft locking system with its special locking method.No cutting, no drilling needed. Installation is simple, safe and quick QUICK ASSEMBLY No cutting, no drilling needed. Installation is simple, safe and quick.